Key button arrangement for a handset



FIG. 1 is a front view of a key button arrangement for a handset showing my new design; and,

FIG. 2 is a perspective front view thereof.

The uneven broken line showing of the remainder of the handset and keypad is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a key button arrangement for a handset, as shown and described. 